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Technical Data Sheet
PartsTable / COMPONENT / F44-20-7-63
F44-20-7-63 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 0.5700 INCHES MINIMUM AND 0.5750 INCHES MAXIMUM IN, material: LUBRICANT LUBRICATION, corner_shape: SQUARE ALL CORNERS, outside_diameter: 0.7840 INCHES MINIMUM AND 0.7890 INCHES MAXIMUM IN, style_designator: ROUND, overall_thickness: 0.0310 INCHES MINIMUM AND 0.0340 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-255-0126, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
F44-20-7-63
NSN: 3120-00-255-0126
FSC: 3120
CAGE: 98991 — WORCESTER CONTROLS CORP P O BOX 2609 COOKEVILLE TN 385022609 (USA)
SPECIFICATIONS
diameter0.5700 INCHES MINIMUM AND 0.5750 INCHES MAXIMUM IN
materialLUBRICANT LUBRICATION
corner_shapeSQUARE ALL CORNERS
outside_diameter0.7840 INCHES MINIMUM AND 0.7890 INCHES MAXIMUM IN
style_designatorROUND
overall_thickness0.0310 INCHES MINIMUM AND 0.0340 INCHES MAXIMUM IN
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN3120-00-255-0126
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: F44-20-7-63 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DIAMETER: 0.5700 INCHES MINIMUM AND 0.5750 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.7840 INCHES MINIMUM AND 0.7890 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
STYLE DESIGNATOR: ROUND
•
MATERIAL: ASBESTOS OVERALL
•
OVERALL THICKNESS: 0.0310 INCHES MINIMUM AND 0.0340 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.5700 INCHES MINIMUM AND 0.5750 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.7840 INCHES MINIMUM AND 0.7890 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
STYLE DESIGNATORROUND
MATERIALASBESTOS OVERALL
OVERALL THICKNESS0.0310 INCHES MINIMUM AND 0.0340 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALLUBRICANT LUBRICATION
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
131-309-3Interchangeable
interchangeable cross-reference
interchangeable
ST293Interchangeable
interchangeable cross-reference
interchangeable
739239Interchangeable
interchangeable cross-reference
interchangeable
14538Interchangeable
interchangeable cross-reference
interchangeable
001-24020-23Interchangeable
interchangeable cross-reference
interchangeable
AR25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F44-20-7-63?
F44-20-7-63 is a BEARING,WASHER,THRUST.
What parts can replace F44-20-7-63?
There are 12 known substitutes for F44-20-7-63: 131-309-3, ST293, 739239 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F44-20-7-63?
F44-20-7-63 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-255-0126. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026